While a guest on a local Chicago radio show, Chicago Teachers Union (CTU) VP Jesse Sharkey was questioned over his recent participation in the Midwest Marxism Conference and refused to answer why he was there and what relationship the Chicago Teachers Union has with the conference and sponsoring organization, the International Socialists Organization. Sharkey, who was documented by Breitbart News attending the Marxist conference at Northwestern University last month, appeared caught off-guard and struggled to respond to the question.